Process of preparing an aluminum sheeting for printing



Patented Riley 11, 1926.

li re EEQGEES OF PREPARING AH Ho Drawing.

,tions, admission cards, progran mes and the like.

in order to prepare an aluminum surface r'or the taking on of colours, the same is first cleaned of all fat by means of treating it with benzine, methylated spirit, alcohol, soap and the like. Now the sheeting is pickled with the aid of diluted acid or lye, whereby the same is roughened; By means of the known rubber printing process or lithography it is possible to apply to the aluminum sheeting thus prepared any desirable wording, pictures and the like in any desired colour.

For instance it it desired to prepare a price list on an aluminum sheeting; by means of writing, which otherwise is not possible, the roughened sheeting is treated with albumen. By this itis rendered possible that the ink pencil will adhere to the surface or. the sheeting, so that it may be written Application filed March 11, 1824.

ALUIiIINUBI SHEETING FOR PRINTING.

Serial No. 898,566.

way as paper. It is possiole to remove the printing by means of methylated spirit or alcohol only and the printing cannot be elifaced by rubbing or the like.

I claim l. A process of: p 'inting on aluminum sheeting which consists in cleaning the surface of said sheeting oi. all fat, pickling the said sheeting, treating the same with albumen and writing thereon.

2. A process of printing on aluminum sheeting which comprises, coating the same with albumen and writing on said coated sheet.

A process of preparing an aluminum sheeting for printing which consists in cleaning the surface of the said sheeting of all fat, subsequently pickling the same and treating; the same with albumen in order to render it possible to write upon the same.

in testimony whereof I hereunto aliix my signature.

on just in the same LEOPOLD RADU. 

